5 km run. 5 km cycle 3km row. 2 km cross trainer. and a 1km swim.
all to be done back to back with no rest. i'm training to do a half marathon in may for charity and also a small finacial gain my mates were stupid enough to bet
i tried this circuit today for the first time and made a stupid mistake. i didn't do the run first
i did the cross trainer then tried running i got 1600m then collasped with legs of jelly. i do some cardio every day apart form sunday when i coach a kids rugby team. usually just 1 piece for about 30 mins and i rotate the equiptment. i do weights 3 times a week. and every 5th day i do pure cardio. and every 10th day (second cardio) i'm gonna try and do the above 16k challange.
but is there anyway i can increase my fitness faster? any little tricks i'm missing?

